Weather in Aveiro in June

Prime time. June is about as good as Aveiro gets. Highs average 23.9 °C, lows 14.9 °C, and rain falls on 4 days — nothing in the month is working against you.

June ranks 3 of 12 in Aveiro. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest June day reached 35.1 °C and the coldest night fell to 10.1 °C.

June is moderately variable: 1 mm in the driest year against 81 mm in the wettest, around an average of 29 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 5.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How June sits in the year

The month is on the way up: 3 °C warmer than May, and July adds another 2.1 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short. Rain has already shifted: 5 days fewer than May had.

Daylight in June

June is at or near the longest days of Aveiro's year: 15.1 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 17.5 °C in June — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. The sea peaks at 18.5 °C in August and bottoms out at 13.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, May is the trade worth considering — 14 points weaker on weather, and materially quieter.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Aveiro versus nearby

If Aveiro is one option among several, the nearby comparison is worth making. Leiria is close enough to be a coin toss — 3.4 °C warmer, the same number of rain days. Braga is close enough to be a coin toss — 3.4 °C warmer, 2 days more rain.

So: June is effectively as good as it gets here — 5 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Aveiro

See all twelve months in Aveiro, or where else to go in June.